SYMPOSIA PAPER Published: 01 January 1997

Failure of Stainless Steel Check Valve in Oxygen Service


Past fires in check valves in oxygen service have yielded clear internal damage. In a recent failure, most of the valve internals, including polymers, were undamaged and evidence of fire was confined to an O-ring and groove that was downstream of threads. An apparent key causal factor was evidence of silicone grease present.

Author Information

Rago, JJ
Air Products & Chemicals Inc., Allentown, PA
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Developed by Committee: G04
Pages: 53–57
DOI: 10.1520/STP12044S
ISBN-EB: 978-0-8031-5372-1
ISBN-13: 978-0-8031-2401-1